From: Stefan Agner <stefan@agner.ch>
To: dwmw2@infradead.org, computersforpeace@gmail.com
Cc: sebastian@breakpoint.cc, robh+dt@kernel.org, pawel.moll@arm.com,
        mark.rutland@arm.com, ijc+devicetree@hellion.org.uk,
        galak@codeaurora.org, shawn.guo@linaro.org, kernel@pengutronix.de,
        boris.brezillon@free-electrons.com, marb@ixxat.de,
        aaron@tastycactus.com, bpringlemeir@gmail.com,
        linux-mtd@lists.infradead.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        albert.aribaud@3adev.fr, Stefan Agner <stefan@agner.ch>
Subject: [PATCH v9 0/5] mtd: nand: vf610_nfc: Freescale NFC for VF610
Date: Fri, 31 Jul 2015 18:52:56 +0200
Message-Id: <1438361581-2702-1-git-send-email-stefan@agner.ch>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 4165
Lines: 97

The ninth revision fixes 16-Bit NAND flash support.

More information and the full test log of earlier patchset version
can be found in the cover letter of the last revision v6:
http://thread.gmane.org/gmane.linux.kernel/1979868

Changes since v8:
- Fix 16-Bit NAND flash support by splitting up initialization
  (introduce vf610_nfc_preinit_controller)
- Updated comments in initialziation functions

Changes since v7:
- vf610-twr.dts: Moved NFC pinmux into the existing iomuxc node
  and sort new nfc node behind the existing iomuxc node as well.
- vf610-twr.dts/vf-colibri.dtsi: Dropped _1 suffixes

Changes since v6:
- Rebased ontop of l2-mtd/master (v4.2-rc1 based)
- Removed HAVE_NAND_VF610_NFC and use depends on. This made
  "[PATCH v6 4/6] ARM: vf610: enable NAND Flash Controller" unnecessary

Changes since v5:
- Removed fsl,mpc5125-nfc compatible string
- Removed readl/writel_relaxed
- Change interface of vf610_nfc_transfer_size to match other accessors

Changes since v4:
- Rebased ontop of l2-mtd/master (v4.1-rc4 based)
- Eliminate unnecessary page read (NAND_CMD_SEQIN) since the driver does
  not support sub-page writes anyway (improves write performance)
- Support ONFI by enabling READID command with offset and parameter page
  reads (CMD_PARAM)
- Change to dedicated read_page/write_page function, enables raw writes
- Use __LITTLE_ENDIAN to distingush between LE/BE relevant statements
- Eliminated vf610_nfc_probe_dt in favor of common DT init code
- Use wait_for_completion_timeout
- Some style fixes (spaces, etc.)

Changes since v3:
- Make the driver selectable when COMPILE_TEST is set
- Fix compile error due to superfluous ECC_STATUS configuration in initial
  patch (without ECC correction ECC_STATUS does not need to be configured)
- Remove custom BBT pattern and switch to in-band BBT in the initial patch
- Include two bug fixes, for details see the corresponding U-Boot patches:
  http://thread.gmane.org/gmane.comp.boot-loaders.u-boot/215802

Changes since v2:
- Updated binding documentation

Changes since v1:
- Nest nfc_config struct within the main nfc struct
- Use assigned clock binding to specify NFC clock
- Rebased ontop of MSCM IR patchset (driver parts have been merged)
- Split out arch Kconfig in a separate config
- Fix module license
- Updated MAINTAINERS

Changes since RFC (Bill Pringlemeir):
- Renamed driver from fsl_nfc to vf610_nfc
- Use readl/writel for all register in accessor functions
- Optimized field accessor functions
- Implemented PM (suspend/resume) functions
- Implemented basic support for ECC strength/ECC step size from dt
- Improved performance of count_written_bits by using hweight32
- Support ECC with 60-bytes to correct up to 32 bit errors
- Changed to in-band BBT (NAND_BBT_NO_OOB) which also allows ECC modes
  which uses up to 60 bytes on 64 byte OOB
- Removed custom (downstream) BBT pattern since BBT table won't be
  compatible anyway (due to the change above)

Stefan Agner (5):
  mtd: nand: vf610_nfc: Freescale NFC for VF610, MPC5125 and others
  mtd: nand: vf610_nfc: add hardware BCH-ECC support
  mtd: nand: vf610_nfc: add device tree bindings
  ARM: dts: vf610twr: add NAND flash controller peripherial
  ARM: dts: vf-colibri: enable NAND flash controller

 .../devicetree/bindings/mtd/vf610-nfc.txt          |  45 ++
 MAINTAINERS                                        |   6 +
 arch/arm/boot/dts/vf-colibri.dtsi                  |  32 +
 arch/arm/boot/dts/vf610-twr.dts                    |  40 +
 arch/arm/boot/dts/vfxxx.dtsi                       |   8 +
 drivers/mtd/nand/Kconfig                           |  11 +
 drivers/mtd/nand/Makefile                          |   1 +
 drivers/mtd/nand/vf610_nfc.c                       | 843 +++++++++++++++++++++
 8 files changed, 986 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/mtd/vf610-nfc.txt
 create mode 100644 drivers/mtd/nand/vf610_nfc.c

-- 
2.4.5

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